Samantha Stosur

At 40 years old, Samantha Stosur has this physical status:

Samantha Jane Stosur ( STOH-s?r; born 30 March 1984) is an Australian professional tennis player.

She is a former world No. 1 in doubles, a ranking which she held for 61 weeks, and a former world No. 4 in singles.

She was also the top-ranked Australian singles player for 452 consecutive weeks, from October 2008 to June 2017.

She has won a combined total of 38 titles on the WTA Tour: nine in singles, 26 in doubles and three in mixed doubles, as well as amassing over $18 million in prize money. Stosur won the 2011 US Open, defeating Serena Williams in the final and becoming the first Australian woman since Evonne Goolagong Cawley in 1980 to win a Grand Slam singles tournament.

She has also won six other Grand Slam titles to date: the 2005 US Open, 2006 French Open, and 2019 Australian Open women's doubles events, and the 2005 Australian Open, 2008 Wimbledon Championships and 2014 Wimbledon Championships mixed doubles events.

In addition, she finished runner-up at six other Grand Slam tournaments, including the singles at the 2010 French Open, where she defeated four-time champion Justine Henin, ending her 24-match winning streak at the tournament, and world No. 1 Serena Williams en route to the final.

Early life

Stosur was born in Brisbane, Queensland and spent the first six years of her life living on the Gold Coast. She is the daughter of Tony and Diane, and has two brothers, Dominic and Daniel. The Stosur family is of Polish descent through Sam's paternal grandfather. When she was six, the family house and business on the Gold Coast were destroyed by a flood, and the family moved to Adelaide. There she started playing tennis, when she was given a racquet for Christmas at the age of eight. While her parents worked long hours at the cafe they had started, Stosur played at local courts with older brother Daniel, who later encouraged their parents to take her to tennis lessons. Her family returned to the Gold Coast when Stosur was 11 years of age. There she attended Helensvale State High School and Gaven State School. She went away on her first overseas trip at the age of 13, competing in the World Youth Cup in Jakarta, Indonesia.

At the age of 14, Stosur joined the Queensland Academy of Sport (QAS) under Geoff Masters. In 2001, when she was 16, she joined the Australian Institute of Sport tennis program.

Personal life

On 13 July 2020, she announced the birth of daughter Genevieve with her partner Liz Astling, who was the one who gave birth. Stosur usually keeps a very low profile in her personal life as this was the first public announcement of being in a relationship and also of becoming a mother.

Source

Tennis career

Stosur first played competitive tennis in 1999 at the age of 15 in an ITF Women's Circuit tournament in Malaysia, where she won in straight sets in the qualifying draw before losing her second round qualifying match (2–6, 3–6). She made her first appearance at the Australian Open in 2000, losing in the first qualifying round. She captured four straight ITF titles in the following year. In 2002, she was disqualified in the first round of the Gold Coast hardcourts tournament.

Stosur won her first WTA Tour singles matches in 2003, progressing to the third round of the Australian Open. She lost in the third round to No. 1 on the chart. Daniela Hantuchová, a 7 seed, is the heir to the tenacious girl. She also qualified for the WTA event in Memphis.

Stosur reached the semifinals of the Gold Coast event in 2004 before losing to Ai Sugiyama. She qualified for WTA events in Acapulco, Indian Wells, Vienna, and Birmingham during her second round of the Hobart International, then the second round of the Australian Open. Stosur performed at the Athens Olympics, where she lost in the first round. In 2004, she continued to compete in WTA tournaments, qualifying for the Japan Open and Bali. She reached the doubles final in Québec City at the end of the 2004 season, teaming with Belgian Els Callens.

Stosur advanced to her first WTA Tour final at her home in Gold Coast, losing to Patty Schnyder. She finished second at the Sydney festival, defeating the world No. 102 by a walkover. Lindsay Davenport, a junior student at the University of Queensland, defeated Elena Dementieva in the semifinals and Melissa Burke in the semifinals, before losing to Alicia Molik of Australia and winning her first doubles title partnering Australian Bryanne Stewart at the same tournament. Stosur fell to the world No. 1. Amélie Mauresmo, 2, has qualified to the Australian Open first round, but Scott Draper has won the mixed-doubles title over Liezel Huber and Kevin Ullyett.

She teamed up with American Lisa Raymond in July, winning seven WTA doubles titles before the year's end, including the US Open, the Kremlin Cup, and the WTA Championships. Stosur finished the year at No. 1 in the world. In singles and No. 1, there are 46 in singles and No. In doubles, there are two girls.

She debuted in 2006 and represented Australia alongside Todd Reid at the Hopman Cup, winning all of her singles matches. Nicole Vaidová lost in third round of Sydney International to Nicole Vaidiová in three sets. Stosur made it to the fourth round of singles at the Australian Open, losing to Martina Hingis in singles. She and Lisa Raymond qualified for the doubles final, where they were defeated by Chinese duo Yan Zi and Zheng Jie.

After losing in Melbourne, Stosur and Raymond won 18 straight matches, including titles in Tokyo, Memphis, Indian Wells, and Miami. They also won in Charleston, at the French Open, and the WTA Championships. Stosur had a career-high rank of No. 28 on August 28th. 30, after reaching the semifinals at New Haven, where she lost in two tiebreakers to Lindsay Davenport. She started off by winning the doubles title at the WTA Championships in Madrid, ranked No. 106. No. 1 in doubles and in a career that has a career high to that point. In singles, there are 29.

In Tokyo, Indian Wells, and Miami, Stosur and Raymond successfully defended their doubles titles. In Berlin, the pair also won the German Open. Stosur reached the quarterfinals at Gold Coast, Tokyo, and Memphis in singles. She defeated top-seed Amélie Mauresmo in the second round of the second round, saving two match points, before losing to Patty Schnyder in the following round.

Stosur began experiencing symptoms of Lyme disease, which is a viral disease spread by tick bites, months after the French Open. By then, her form had diminished. She failed in the second round of the US Open, where she was seeded 29th to No. 96-rated Alizé Cornet in the second round after being denied in the second round. Stosur did not participate in any more tournaments in 2007.

She appeared in two ITF events before the Rome Masters in May, where she was defeated by Venus Williams in the second round. Stosur and Lisa Raymond's doubles team was also back in the tournament, with a second-round loss. They were disqualified in the third round of the French Open, where Stosur reached the second round in singles, losing to Petra Kvitová.

Stosur showed tremendous promise at Wimbledon, winning to Nicole Vaidová in singles but not in the finals of both the ladies' and mixed doubles. Venus and Serena Williams defeated Raymond and Raymond in the final. In the final of the ladies singles, the Williams sisters had just competed against each other. Stosur, a mixed-doubles partner, defeated Mike Bryan and Katarina Srebotnik to win the tournament.

Stosur was disqualified in the second round of the singles tournament by fourth seed Serena Williams at the Beijing Olympics. Stosur (formerly ranked No. 1 in doubles) is now No. 3 in doubles. Rennae Stubbs, a No. 1st, is ranked No. 1 among the best-ranked individuals in the country. The pair were also unseeded because the ITF selected the seedings for the doubles tournament based on both singles and doubles rankings rankings. In the second round of Anabel Medina Garrigues and Virginia Ruano Pascual's Spanish team, who were then ranked No. 2 in the world. 2.

Stosur lost in the first round of singles to seventh seed Venus Williams in the US Open. In the second round of the mixed-doubles competition by Stubbs and Robert Lindstedt, she and Mahesh Bhupathi were disqualified. In the women's doubles tournament, Raymond and Stosur were runners-up, losing to the top-ranked team of Cara Black and Liezel Huber.

Stosur was ranked No. 1 by the year's end. She is ranked 52 in singles and 110 spots above her ranking in June. Despite missing the first 412 months of the tour, Raymond and Stosur finished the season as the seventh team at the Race to the Tour Championships, with Stosur ranked No. 10. When she first began to play on the ITF Circuit, she placed 14 in doubles, 156 positions higher than she was.

Stosur lost in the second round of the Brisbane International in her first tournament of the year. Serena Williams, the top-seed of the Medibank International, was defeated in a close three-set match at the Medibank International. In the first round of the tournament, the pair of Stosur and Rennae Stubbs fell to Peng Shuai and Hsieh Su-wei. Stosur defeated Klára Zakopalová and Sabine Lisicki before losing in the third round to world No. 1. Elena Dementieva, 4, is the Australian Open champion. She also advanced to the third round of doubles, teaming Stubbs, defeating the Radwa sisters. However, they lost to eventual champions Venus and Serena Williams. Stosur defeated four matches against various opponents from South Korea, Thailand, and Chinese Taipei in the Fed Cup Asia/Oceanic Zone competition. The Australian team, which also included Casey Dellacqua and Jelena Doki, advanced to the World Group II play-offs, winning all of their 12 rubbers.

Stosur defeated Magdaléna Rybáriková in straight sets before losing in the second round to Zheng Jie after winning the first set. She was disqualified by the world-number-one team of Cara Black and Liezel Huber in the semifinals of the doubles competition, along with Stubbs. Stosur defeated Francesca Schiavone in the first round before being disqualified in the second round by seventh seed Agnieszka Radwa in three sets. In the second round, Stosur and Stubbs lost to Vera Zvonareva and Victoria Azarenka. Stosur defeated Sofia Arvidsson and Sybille Bammer at the Miami Open before winning the biggest game of her career against the world No. 1 himself. In the third round, Dinara Safina was the second round. Safina would have risen to No. 1 in the World Cup. If she had won the competition, she would have ranked number one in the top rankings. Stosur then defeated former world No. 1 Stephane de Tours. In the fourth round, Amélie Mauresmo defeated 1, Amélie Mauresmo. In the quarterfinals, she lost to Victoria Azarenka. She lost to Anna-Lena Grönefeld and Patty Schnyder in doubles in the same round. Stosur's singles ranking increased from No. 1 in the wake of her appearances. 43 to No. No. 31.

Stosur was disqualified in the first round by second seed and eventual champion Caroline Wozniacki of the MPS Group Championships in Ponte Vedra Beach. She later played for the Australian Fed Cup team in Mildura. In a World Group II playoff, Australia defeated Switzerland. Stosur won the first rubber of the tie in straight sets in straight sets, then sealed the victory for Australia in the third rubber with a close three-set win, raising her 2009 Fed Cup singles record to 6–0. With this success, the Australian team reached the World Group II in 2010.

Stosur was disqualified in the first round of the Rome Masters by qualifier Yaroslava Shvedova, and she was disqualified in her first match in doubles in the clay-court season. She then competed at the Madrid Masters, where she defeated tenth seed Agnieszka Radwa in the first round but lost to Anna Chakvetadze in the second round. Stosur and Stubbs made it to the semifinals, but Black and Huber, the world No. 1 team, defeated them. They dropped in the third round to 16th seeds Yan Zi and Zheng Jie. Stosur was victorious in singles over Francesca Schiavone in the first round and Yanina Wickmayer in second. She then qualified for a spot in the third round and Virginie Razzano of France for a spot in the quarterfinals, defeating Sorana Córstea and eventual champion Svetlana Kuznetsova in the third round. Stosur recovered from a set down to win the second set in a tiebreak but lost in the final set. This made her the lowest-ranked seed in the tournament to reach the furthest. Stosur reached the top 20 for the first time in her career thanks to her effort.

Stosur started playing at the Eastbourne International in grass-court season. In the first round, she defeated Sabine Lisicki before losing to sixth seed and eventual champion Wozniacki. She finished second in the doubles tournament after beating Black and Huber in the semifinals, but she lost the final to Ai Sugiyama and Akgul Amanmuradova with Stubbs. Stosur beat Bethanie Mattek-Sands and Tatjana Maria (then Tatjana Malek) in the third round before losing to 13th seed Ana Ivanovic in the third round. Stosur made her second straight final appearance in ladies' doubles this season, this time partnering Stubbs. In three sets, the third seeds defeated second seeds Anabel Medina Garrigues and Virginia Ruano Pascual, but the fourth seeds were disqualified in the final by fourth seeds Venus and Serena Williams in straight sets. Stosur was also defending the mixed-doubles title with Bob Bryan, but the second seeds were defeated in the quarterfinals by ninth seeds and eventual champions Anna-Lena Grönefeld and Mark Knowles.

Stosur made it to the semifinals of the US Open Series in Stanford after defeating sixth seed Dominika Cibulková, Monica Niculescu, and causing a huge upset win over Serena Williams. She defeated eighth seed Marion Bartoli in three sets. Stosur became the No. 1 in the Los Angeles Championships after competing at the Los Angeles Championships. After beating Monica Niculescu, Maria Kirilenko, Ana Ivanovic, and Zheng Jie, the 13 seed where she made it to her fifth WTA Tour final. Flavia Pennetta, the tenth seed, was disqualified in the final. She defeated Heidi El Tabakh, sixth seed Kuznetsova, and Virginie Razzano before being eliminated by fourth seed and eventual champion Elena Dementieva in three sets at her next tournament in Toronto. Stosur and Stubbs qualified Black and Huber in the semifinals, but Nuria Llagostera Vives and Marjan Martez Sánchez were unable to advance to the final in the final. Stosur raised her ranking to a career-best No. 2 with these findings. Just in time for the US Open, where she had been seeded accordingly. She opened with a three-set victory over Ai Sugiyama before losing in the second round to American wildcard Vania King. Stosur and compatriot Stubbs competed in the doubles tournament. They advanced to the semifinals without losing a set, where they met first seeds Black and Huber as the third seeds. They won the first set but lost the second two sets due to a two-day rain delay.

Stosur won her first round over Alexa Glatch, but Maria Sharapova defeated her in the second round, with Sharapova losing just one game. Stosur was seeded 15th at the China Open, losing a three-setter to Alizé Cornet. Stosur was ranked third seed in Osaka when he arrived. Stosur reached the final after defeating Alexandra Panova, Akiko Morigami, Jill Craybas, and Wozniacki. By defeating Francesca Schiavone in the final in just over an hour, Stosur won her first-ever WTA title. With this victory, she secured a spot in the Tournament of Champions, which was held in Bali. She also registered for the doubles event, along with compatriot Stubbs. They lost a close semifinals match against No. 1 in a tough competition. 1 seeds Black and Huber. Stosur was one of only two players on tour to play at both year-end championships. Mara José Martnez Sánchez, who was in Stosur's squad for the round-robin stage with gnes Szávay, was the other one. Stosur won her first match against Szávay in three sets, but she lost her second to Martnez Sánchez in second round. Martnez Sánchez won both round-robin matches despite losing her a semifinal spot.

Stosur and Lleyton Hewitt appeared at the Hopman Cup together. The Australians were the top seeds. Stosur lost in the mixed doubles against Romania, where they lost in a three-setter to Sorana Cîrstea. The next tie was against the United States, where Stosur defeated Melanie Oudin in straight sets over Melanie Oudin. Hewitt also secured his singles match against John Isner, securing the tie. Hewitt-Stosur lost in mixed doubles. Australia must win their tie against Spain 3–0 in order to progress to the final. This result was, however, reversed, with Australia losing 0–3 to Spain. The Medibank International, Stosur's last preparation tournament before the Australian Open, where she lost to Flavia Pennetta in the first round. Stosur was promised a seeding of 13 for the Australian Open. She lost at the world No. 1st. Serena Williams, the reigning champion and defending champion, defeated in two sets. Despite the loss, she climbed to a career-high position of No. 134. 11. In the Australian Open doubles event, she competed with Nadia Petrova. They were seeded fifth in the first round but lost to another Russian-Australian pair, Vera Dushevina and Anastasia Rodionova. With Alicia Molik, Casey Dellacqua, and Rennae Stubbs against Spain, she rode Adelaide to represent Australia in the Fed Cup. Stosur beat Mara José Martnez Sánchez and Anabel Medina Garrigues in both of her singles matches. Stosur and Stubbs also won their doubles match, giving Australia a 3–2 victory in the tie.

Her next tournament was the Dubai Championships, where she was seeded ninth. In the first round, Stosur was disqualified, owing to veteran Tathiana Garbin's service. In the doubles partnering Petrova, she had a better time. After receiving a first-round bye and a walkover, the pair advanced to the semifinals against fifth seeds Alisa Kleybanova and Francesca Schiavone, the pair was seeded fourth and reached the semifinals. Stosur received a first-round bye after being seeded eighth at the BNP Paribas Open. She defeated 12th seed and defending champion Vera Zvonareva to advance to her first semifinal appearance in the tournament, where she lost in straight sets to eventual champion Jelena Jankovi in straight sets. She rose to No. 1 in the career rankings, despite her popularity. After Jelena Dokis No. 10 appearance in ten years, she became the third Australian woman to achieve this feat in ten years. Alicia Molik, No. 4 in 2002, reached No. 4 in 2002, and she became No. 1 in 2002. In 2005, there were eight in the world. Stosur was third seed in doubles with Petrova. They had a safe route to the final, but they lost only one set to Kvta Peschke and Katarina Srebotnik, who had to defeat them in the final. Stosur's next tournament was the Miami Masters, where she was seeded ninth and gave her a bye in the first round. Kim Clijsters, the eventual champion, was disqualified in the quarterfinals. Stosur and Petrova were seeded third and advanced to the final without losing a single set. Despite this, Stosur and Petrova were disqualified in the second straight final, losing 7–10 to Gisela Dulko and Pennetta.

Stosur started her clay-court season at the Charleston Open, where she was seeded fourth. She defeated Zvonareva in straight sets in the final for her fifth straight victory over the Russians. With this, she won her second and biggest WTA title, bringing her back to the top ten at world No. 10. 10. She is the first Australian woman to have won the Australian Open Championship. Stosur was undefeated in the World Group Play-offs in Ukraine. The Australians had a commanding advantage going 2–0 against Ukraine on the first day, having taken the lead after the first day. Stosur's victory over Mariya Koryttseva and Anastasia Rodionova's win over Alona Bondarenko were both aided by Anastasia Rodionova's victory over Alona Bondarenko. Stosur then beat Lyudmyla Kichenok in two sets, giving Australia a win. Australia competed in the World Group against Italy's top-seed Iran in 2011. Stosur then competed at the Porsche Grand Prix in Stuttgart. Former World No. 2 brought an 11-game winning streak to an end. In three sets, Justine Henin defeated him in the final. Despite this performance, Stosur made a recent career-high ranking of world No. 69. 8.

The Rome Masters was the first scheduled tournament for her; however, Stosur had to cancel due to exhaustion. The Madrid Open was her next scheduled tournament with this tournament. Stosur was defeated multiple times by Venus Williams in the quarterfinals, losing 3–6, 3–6. Stosur relived her competitive relationship with Petrova as the third seed in doubles, despite a first-round bye. However, Anastasia Rodionova and Patty Schnyder had them defeated in the second round by Anastasia Rodionova and Patty Schnyder. Stosur was seeded seventh and was one of the favorites to win the French Open in 2009 after a record-breaking 14–2 record on clay in 2010. Henin, Maria Sharapova, Serena Williams, and Serena Williams were all in the same quarter, which was described as the most difficult portion of the draw. By defeating three consecutive former world No. finalists, she became the first Australian woman to reach a Grand Slam singles final since Wendy Turnbull at the 1980 Australian Open. Henin, Serena Williams, and Jelena Jankovi were among the top candidates and favorites, but Francesca Schiavone upset them in the final.

Stosur and her partner Petrova were the fourth seeds in doubles. They defeated Irina Pavlovic and Laura Thorpe in the first round, as well as Vania King and Micha Krajicek in the second round. They came to an end at the hands of Ukrainian sisters Alona Bondarenko and Kateryna Bondarenko when the fourth seeds fell trailing 1–6, 0–1. Despite leading the first set 3–0 and having a chance to play in the semifinal at 5–3, Stosur was defeated by eventual champion Ekaterina Makarova in Eastbourne. However, with her appearance in the semifinals, she set a new career high of world No. 1. She had been ranked No. 6 in the United States, but she was also ranked No. 6; nonetheless, she had been ranked No. 6 in the country. In Doha, Team 1 is ranked 1 in the WTA Championships. The Wimbledon Championships was her next tournament. Stosur lost in straight sets to Kaia Kanepi in the first round after saving three match points. Stosur and Schiavone were the first two women to advance to the French Open final, but they were unable to win a match at Wimbledon as the French Open champion Schiavone lost in the first round. Despite not winning a match, she earned her a new career-best ranking No. 81. Dementieva's withdrawal from the tournament due to injury was a 5th player. Stosur also competed in the doubles competition, hoping to have a similar success with then-partner Stubbs last year. She competed with her 2010 companion Petrova as the third seed, but she lost in the third round to eventual champions Vania King and Yaroslava Shvedova. With Nenad Zimonji, she also competed in the mixed doubles event as first seeds. They were given a bye in the first round and then defeated Colin Fleming and Sarah Borwell in the second round. They then met the Belgium pair Xavier Malisse and Clijsters, but they lost in two sets.

Stosur's next scheduled tournament was the Stanford Classicn, where she was the top-seed but lost in a semifinal match-up with Victoria Azarenka. She later competed in the San Diego Open. In the quarterfinals to Pennetta, she was seeded in the second seed but lost in the quarterfinals. She was forced to leave the Cincinnati Open and the Rogers Cup in Montreal due to a shoulder injury. Stosur had only been involved in one of the year's five Premier-5 tournaments. After taking time off to recover from her injury, she took part in the Pilot Pen Tennis tournament in New Haven, in the hopes of regaining some of the lost ranking points and preparing for the US Open. In the quarterfinals, Stosur lost to Petrova. Stosur was seeded fifth in the US Open at the University of Chicago. She was up a break in the third set before losing in three sets to the defending champion and second seed Clijsters. Stosur has announced that she would not participate in the 2010 Commonwealth Games. Rather, she competed in the China Open, the country's final Mandatory event, where she lost in the first round to qualifier Anastasija Sevastova in three sets. Following Venus Williams' withdrawal, Stosur qualified in singles in Doha for the first time in her career.

Stosur then defended her title at the Japan Open as the top seed in her first International tournament of the year. In a final-set tie-break, she lost to Kimiko Date-Krumm, becoming the first top-ten player to lose to an opponent over the age of 40. Stosur was ranked fifth in the WTA Championships, where she was seeded fifth. Stosur was dragged alongside world No. 1 in the Maroon Group. Caroline Wozniacki, world No. 1, is the world No. 1. 6, Francesca Schiavone, and world No. 6 in 2006, and the world No. 6. Elena Dementieva, 9, was seeded first, fourth, and seventh, respectively, as a result of the Williams sisters' departure. She venged her Roland Garros' defeat to her Italian in straight sets in her first match against Schiavone, coming back from a 0–4 deficit in the first set. Her next challenge was world No. 2. Wozniacki, 1, Wozniacki. Stosur's solid showing continued in the semifinals after winning in straight sets for the third time. She then lost in the semifinals to Elena Dementieva, but earned her position in the tournament by winning a single set. Stosur placed first in her first round-robin division, but she fell to three-time US Open champion and world No. 1. In the semifinals, four members of the Clijsters advanced to the semifinals. Stosur ended her year as No. 1 in the world. 6. In addition, she was the only female to defeat both current and former World No. 1 in 2010. Serena Williams and Wozniacki, one of the 1 players, are still playing. She had the highest percentage of points scored on second service among her peers.

Stosur began the new season by playing at the Brisbane International Cricket Association. In the second round, she defeated Jarmila Groth in straight sets. Stosur was ranked fourth seed at the Sydney International Cricket Association after this tournament. She lost in the second round to Svetlana Kuznetsova.

Stosur was seeded fifth at the Australian Open, where she fell in the third round to 25th seed Petra Kvitová. Stosur then shot to a new career peak. Following a quarterfinal appearance at the Dubai Championships, four teams qualified. She got off to a slow start on the first American leg of the year by falling in the third round of the Indian Wells to Dinara Safina. She had been seeded fourth in Miami, but she was disqualified in straight sets in the fourth round by the 16th seed and former No. 0. Maria Sharapova, 1, Maria Sharapova. Stosur played in Charleston, where she failed to defend her title, losing in second sets to Elena Vesnina in the third round.

Stosur qualified in the semifinals in Stuttgart, as the fifth seed, but she defeated Julia Görges in the semifinals, partnering Sabine Lisicki. Stosur's next tournament was the Madrid Open, where she was the fifth seed. In the third round, she lost in straight sets to Anastasia Pavlyuchenkova. She then competed in Rome, where the sixth-seeded Stosur reached the final but was defeated by seventh-seeded Sharapova. Stosur was seeded eighth at the French Open, but Gisela Dulko upset him in the third round. As a result of this loss, her ranking has dropped to world No. 1 for the first time. 10.

The Eastbourne International was Stosur's next tournament. She advanced to the semifinals, where she lost to Marion Bartoli. Stosur lost in the first round to world No. 1 at Wimbledon. Melinda Czink, 262, is a student at the University of On Friday, Melinda Czink. Stosur worked with Mike Bryan in mixed doubles, but in the first round, he was disqualified. Stosur partnered with Sabine Lisicki in the ladies' doubles. In the second round, the pair defeated top seeds and defending champions Vania King and Yaroslava Shvedova. Stosur and Lisicki made it to the final, but Kvta Peschke and Katarina Srebotnik defeated in straight sets in straight sets.

In the second round of the Bank of the West Classic, Stosur began her US Open Series campaign with a loss in straight sets to her doubles partner, Lisicki. Stosur, on the other hand, won the Rogers Cup in Toronto by reaching the final, defeating Li Na and Agnieszka Radwa. Serena Williams defeated Stosur in the final in two sets in two sets. She then competed in the Cincinnati Open, defeating qualifier Eleni Daniilidou in the first round. In the second week in a row, she will meet Serena Williams for the second week in a row. Williams drew due to a toe injury, resulting in a walkover for Stosur. She defeated fifth seed Li Na in the third round for the second time in two weeks in three sets. She then met Sharapova in the quarterfinals and lost in straight sets. Stosur was seeded ninth at the US Open, and she defeated Sofia Arvidsson in the first round and beat her in straight sets. She defeated American CoCo Vandeweghe in the second round of the second round. The third round of Stosur was one of the tournament's toughest matches against Nadia Petrova, eventually winning in three sets after a 3-hour-16-minute match, which was broken by Johanna Konta and Garbi Muguruza four years ago in 2015. In the fourth round, she met Maria Kirilenko and won in three sets. The second-set tiebreak, which culminated in 15-17, was the longest in any major in women's tennis history. She then advanced to the semifinals for the first time following second seed Vera Zvonareva. Stosur won in three sets over German athlete Angelique Kerber for her first Grand Slam singles title since Evonne Goolagong won Wimbledon in 1980.

Both Stosur and the China Open were defeated in second round at the Pan Pacific Open and the China Open, both to Maria Kirilenko. Nevertheless, Stosur qualified for the year-end WTA Championships in Istanbul on October 9, 2011. Stosur was runner-up at the HP Open in the final, where she was overpowered by second seed Marion Bartoli. Chanelle Scheepers and Zheng Jie defeated Noppawan Lertcheewakarn, Misaki Doi, seventh seed Chanelle Scheepers and Zheng Jie along the way. Stosur was ranked in the Tour Championships' white group. She lost the match in two sets against second seed Sharapova in her first match. Not only did Stosur cause a flop against the second seed, but she also secured her first match against the Russians after losing to Sharapova in their first nine matches. In addition, Stosur has won six of her last seven matches against current top-two players. (This was the only loss against a new top-two player at the time, and it was against world No. 1). Serena Williams, a 2011 Australian Open winner, was one of the 2010 Australian Open Championships. (Joel & Co.) Victoria Azarenka, the fourth seed in Stosur's second round robin match, lost to fourth seed Victoria Azarenka. This was her fifth loss against Azarenka and she had yet to win a single set from Azarenka. Stosur defeated fifth seed Li Na for the loss of one game in her final round-robin tournament, where she met Maroon group champion Petra Kvitová for a spot in the final. Despite being 7–5, 1–0 up with a breakpoint to go 2–0, she lost in three sets. Despite the loss, this was the first time Stosur won a match against Kvitová. Kvitová won the final over Azarenka for the second year in a row, marking the second time Stosur lost to the eventual champion in the semifinals. Stosur was voted world No. 1 by virtue of her appearance at the WTA Championships. The season ended at No. 6, and she ranked No. 6 in the rankings. For the second year in a row, the United States has ranked 6 for the second year in a row.

Stosur began the year by losing in the second round of the Brisbane International to Iveta Beneová. She then suffered two first-round losses at the Sydney International Cricketer and then by Sorana Cîrstea at the Australian Open. Stosur, a home cook who won the US Open, admitted that she could not cope under the strain of home expectations. Despite the achievement, Stosur's ranking remained unchanged at No. 1. Li Na's fifth place was given 5 stars despite her not having many ranking points to defend and her failing to defend her finalist points from the Australian Open. Stosur then travelled to Fribourg to represent Australia in their Fed Cup tie against Switzerland. She triumphed in both of her singles rubbers against Timea Bacsinszky and Stefanie Vögele.

Stosur then competed at the Qatar Open in Doha, Qatar. She was seeded third and avenged her disappointment in the first round of the Australian Open by defeating Sorana Córstea in the second round; she then dropped in the final to current world No. 68. 1, Victoria Azarenka, who had not lost a match (17–0) before that time in 2012. She defeated Lucie afácó in the second round in three sets in her second Middle East tournament, but not in the second straight year. Jelena Jankovi was the president of Russia. Stosur continued to compete in the Indian Wells Open, where she defeated young American Irina Falconi to advance to the third round, where she lost a close match to Nadia Petrova. Stosur made the quarterfinals at the Miami Open after a big comeback from a set and 2–5 down to defeat Chanelle Scheepers. Serena Williams regained control over Stosur's 2011 US Open final by defeating her in straight sets.

Stosur qualified as the second seed in the Family Circle Cup in Charleston and was subsequently disqualified in the first round. In the second round, she defeated wildcard Jamie Hampton in the second round and Galina Voskoboeva in the third round. Stosur defeated Venus Williams for the first time in the quarterfinals after losing to her in the previous four matches. Stosur's career came to an end in the semifinals, where she lost to eventual champion Serena Williams. Stosur won both her singles matches against Germany in the World Group Play-offs after this. Angelique Kerber, the same player who Stosur faced in the 2011 US Open semifinals and Andrea Petkovic, both top-20 players, and Andrea Petkovic for their first match. Stosur defeated Julia Görges, the defending champion, in three sets at the Porsche Grand Prix. Despite losing a match point in the second set, she failed in the quarterfinals to Maria Sharapova. Christina McHale and Petra Marti also competed in a third set tiebreak and Petra Marti in the first two rounds of the Madrid Open, where she was the first time a woman appeared in the first two rounds of the blue clay courts. Petra Cetkovská, Stosur's third-round foe, was defeated in Petra Cetkovská. Stosur won the match in straight sets over to advance to the quarterfinals, where she lost in a close match to Lucie Hradecká in two tiebreaks. The Italian Open was her final tournament before the French Open, where she stunned Sara Errani to advance to the third round, where she lost to Venus Williams.

Stosur qualified to the quarterfinals at the French Open as the sixth seed. She defeated Petrova in the third round and then outplayed Sloane Stephens in straight sets. She defeated Dominika Cibulková in two sets for her third French Open semifinal defeat, losing in three sets to Sara Errani.

At Wimbledon, Stosur lost her second-round match against Arantxa Rus. Stosur lost in the first round of the London 2012 Olympics to Carla Suárez Navarro in the first round. Stosur won the first set but lost the second and third set 8–10. Stosur was a former world No. 1 on doubles with former World No. 2. 1, Lleyton Hewitt. They reached the quarterfinals together, but they lost to crowd favorites Andy Murray and Laura Robson, who were competing for Great Britain.

Stosur qualified as the third seed in the Western & Southern Open in Cincinnati. Stosur had a bye in the first round, but she defeated Anabel Medina Garrigues in the second round in three sets. She met Ekaterina Makarova in the second round of the second round and defeated her in two sets. Stosur played a wildcard and former world No. 1 in the quarterfinals. Venus Williams, who defeated in three sets, was a tennis player who took home the championship in three sets. Stosur made it to the first three rounds of the US Open against Petra Marti, Edina Gallovits-Hall, and 31st seed Varvara Lepchenko, all defending a Grand Slam title for the first time. In the first three rounds, Stosur only lost 13 games out of 13 games. Laura Robson had a chance against Laura Robson, the up-and-coming actress. Robson advanced to the fourth round after defeating Kim Clijsters and Li Na. Stosur dominated Robson in straight sets, but the world No. No. 1 lost in the quarterfinals to world No. 1. Victoria Azarenka of the Championships faces Victoria Azarenka in a dramatic three-set match that is traditionally regarded as the match of the championships. In the final-set tiebreaker, she lost seven points to five and was just two points away from clinching victory. It was the first time Stosur had taken a set of Azarenka. Despite not defending the award, Stosur did win the inaugural US Open Sportsmanship Award.

The Pan Pacific Open is her next tournament. Stosur had a bye in the first round and met Francesca Schiavone in the second round, winning in a three-set match. In the third round, she defeated 12th seed Dominika Cibulková in a tie in two sets. She defeated world No. 2 in the quarterfinals. Maria Sharapova, 2, was causing a major surprise when Stosur said she had only defeated Sharapova once in eleven matches, causing a major surprise. However, Stosur lost in straight sets to eventual champion Petrova in the semifinals.

She began her year at the Brisbane International Centre, where she was seeded seventh. Stosur admitted that she had only had ten days of court after removing a spur from her left ankle before the tournament began. This was just six weeks before the first-round match was scheduled. Stosur lost in the first round to Sofia Arvidsson, where she made 48 unforced mistakes. In the first round of the Apia International Sydney, where she was seeded sixth, Stosur played Zheng Jie. In a close three-set match, she lost. It was Stosur's fifth straight loss in Australia; however, she snapped a nine-set losing streak in the world by winning the second set. Stosur won in the first round of the Australian Open, where she had been seeded ninth, defeating Chang Kai-chen in the first round in a straight sets victory. Despite being up 5–2 in the third set, she lost in the second round to Zheng Jie for the second straight tournament.

Stosur recovered from a slow start to the season by defeating Monica Niculescu in three sets in her second round match at the Qatar Total Open. She then defeated Svetlana Kuznetsova to advance to the quarterfinals. Stosur lost their quarterfinal match against Sharapova. She then qualified for the Dubai Tennis Championships, where she was seeded seventh. She began her campaign with a two set victory over Ekaterina Makarova, then progressed to the quarterfinals after defeating Hsieh Su-wei. Stosur suffered in the quarterfinals for the second week in a row, but Roberta Vinci stunned her in straight sets this week.

She then moved to the United States, where she competed at the Indian Wells tournament. She defeated young Wild Card Madison Keys after a bye in the first round. In three sets, Stosur lost in third seed Peng Shuai. She progressed from a setdown to defeat 24th seed Mona Barthel in the fourth round. She sustained her right calf in the fourth round of the tournament and was forced to miss the quarterfinal match against Angelique Kerber. Stosur was forced to withdraw from the Miami Masters tournament due to the injury. She beat Marina Erakovic in straight sets over the Family Circle Cup, opening her campaign in the second round. Stosur was forced to leave early in her third round match due to her recurring calf injury against qualifier Eugenie Bouchard.

Stosur recovered to play in the Fed Cup World Group Play-offs against Switzerland. She competed in singles and doubles against Stefanie Vögele and Romina Oprandi, winning both matches in straight sets and ensuring Australia's participation in the 2014 Fed Cup World Group. Stosur suffered two first-round losses at the Porsche Grand Prix in Stuttgart, where she was the sixth seed against Jelena Jankovi. Carla Suárez Navarro was seeded ninth at the Mutua Madrid Open, where she was seeded ninth. Stosur won the Italian Open on her third attempt after a humiliating loss in Madrid. She then won in straight sets over Peng Shuai in their second round match. She then advanced to the quarterfinals in Rome with a three-set victory over Petra Kvitová, the first time in Stosur's career she had defeated Kvitová. Stosur lost in three sets to Victoria Azarenka in the quarterfinals for her eighth straight defeat.

Stosur won her first match against Kimiko Date-Krumm after waiting 212 hours to play due to rain. She then swept the first nine games and smashed 42-year-old Date-Krumm in two sets. In straight sets, Stosur beat Kristina Mladenovic then beat her in straight sets. In the third round, Stosur defeated Jelena Jankovi, the 18th seed. Stosur lost the match in a close tie after winning the first set. She was unable to defend her semifinal ranking positions from 2012 and fell out of the top ten in the world's top 10. Anna Karolna Schmiedlová and Olga Puchkova both advanced to the third round for the second time in her career at Wimbledon, defeating lucky loser Anna Karolna Schmiedlová and Olga Puchkova in straight sets. She lost in three sets to eventual champion Sabine Lisicki in the third round. Olga Govortsova shocked Stosur in the second round of the Bank of the West Classic in Stanford. She accepted a last-minute wildcard into the Southern California Open in Carlsbad, where she opened with a victory over Varvara Lepchenko. She then advanced to the final by defeating Sesil Karatantcheva in the second round, causing an upset to beat Agnieszka Radwa in the quarterfinals and then defeating Virginie Razzano in the semifinals. Stosur continued to face Victoria Azarenka in the final. She had an 0–8 record against Azarenka. Stosur dominated Azarenka by cruising past her in straight sets. This was Stosur's first WTA title since her victory at the US Open.

In the first round, the 11th-seeded Stosur was stunned by the 296th-ranked American qualifier Victoria Duval, who fell in three sets. Stosur dropped out of the top 15 world rankings, and it also meant she did not qualify for the fourth round in any Grand Slam tournament in 2013.

Stosur recovered from the US Open disappointment and started her campaign at the Pan Pacific Open with a victory over Alizé Cornet in three sets. Kimiko Date-Krumm, 42, was then defeated by her 42-year-old home favorite Kimiko Date-Krumm. In the third round, Stosur lost to Lucie ová's. Stosur jumped into the China Open in Beijing, where she would have to compete again against afásová. This time was in the first round, and Stosur suffered a similar result in straight sets. At the Japan Open in Osaka, Stosur took her final tournament in Asia. With a win over Johanna Larsson and then defeating current junior world number one Belinda Bencic, she opened the tournament as the third seed. Stosur beat Misaki Doi in the quarterfinals after going through the first set. Stosur swept past Madison Keys into the final after a strong showing in which she held all of her service games and gave Keys no chance of qualifying in her first WTA semifinal, winning in just over an hour. Stosur progressed to meet Eugenie Bouchard in the final, taking 2 hours and 13 minutes to win her third title in her career. It was her second time she had won in Osaka. She then reached the finals of the Kremlin Cup after defeating Ana Ivanovic in the quarterfinals and Svetlana Kuznetsova in the semifinals. In the final, she lost to Simona Halep. Stosur's manager David Taylor and employee Miles Maclagan, who had previously worked with Andy Murray and Laura Robson, were fired at the end of the season.

Stosur began his season with the help of Bernard Tomic, the Hopman Cup's partnering Bernard Tomic. In all three of her singles matches, Agnieszka Radwa, Eugenie Bouchard, and Flavia Pennetta failed, and then she did not qualify for the final. Stosur played at the Hobart International Institute for the first time in five years, opting not to play at the Apia International. Stosur was the top-seed at the tournament. Stosur defeated Madison Brengle, Kristina Mladenovic, and eighth seed Bojana Jovanovski, saving match point against Mladenovic. In straight sets, she lost in straight sets to Klára Zakopalová in the semifinals. Stosur debuted at the Australian Open for the second time. She defeated Klára Zakopalová in the first round after just three days before; Stosur recovered the result in straight sets. In the second round, she defeated Apia International champion Tsvetana Pironkova in straight sets. Despite being a setup, Stosur lost to 14th seed Ana Ivanovic in the third round. Ivanovic would then progress to the quarterfinals after defeating the world No. 1. Serena Williams, a 1, is in the following round's round. Stosur then travelled to Hobart to compete in the 2014 Fed Cup World Group. She led Australia to a 4–0 victory over Russia. In straight sets over Veronika Kudermetova and Victoria Kane, Stosur won the second and third singles rubbers.

She then competed at the Qatar Open, where she was seeded 12th. In straight sets, Stosur won her first round over Marina Erakovic. In the second round, she lost to Jana epelová. In the first round of the Dubai Championships against qualifier Annika Beck in three sets, Stosur then lost in the first round. Stosur then played at Indian Wells, where she defeated Francesca Schiavone in straight sets after being rejected in the first round bye. Nonetheless, she lost in the third round to Flavia Pennetta. This was Stosur's fifth WTA Tour singles loss to Pennetta in her career. She has fallen to the world No. 1. The tournament is now in its 20th year. Stosur was the 16th seed at the Miami Masters, where she was ranked bye in the first round. She then defeated qualifier Kiki Bertens in straight sets, but she lost in the second round to Vandeweghe. In straight sets, she lost in straight sets to eventual champion Maria Sharapova at the Madrid Open. Stosur lost in straight sets to Li Na for the first time, winning only four games in the full tournament and allowing Li Na to advance to the quarterfinals comfortably. In the second round of the French Open, Stosur was leading by one set and 4–3 but then lost track of the match and went on to lose all of the games against eventual champion Maria Sharapova.

Stosur ended her Maclagan's coaching relationship ten days before the Wimbledon Championships, saying "change was required." Yanina Wickmayer defeated Stosur in straight sets in the first round of Wimbledon. However, she competed with Nenad Zimonji in mixed doubles and claimed the title. They lost only one set in the third round of the tournament, and they defeated Chan Hao-ching and Max Mirnyi in two sets in the final. Stosur then travelled to Stanford University, where she was drawn against qualifier Naomi Osaka in the first round. The match was tense, but her opponent prevailed in the end. The Rogers Cup was Stosur's next tournament. Stosur was drawn against Monica Puig, another qualifier. In straight sets, she defeated her opponent in straight sets. She was drawn in the second round against top-seed Serena Williams and lost in two sets.

Brisbane International, her first tournament in 2015, was where she lost in the first round to Varvara Lepchenko despite leading 5-1 in the final set. She reached the second round of the Sydney International Film Festival, where she lost to Barbora Záhlavová-Strcová. Stosur was the 20th seed at the Australian Open at the time. She stunned Monica Niculescu in straight sets before losing in the second round to CoCo Vandeweghe.

Stosur played for Australia against Germany in the Fed Cup in February. Andrea Petkovic and Angelique Kerber were both knocked out of their matches. Stosur took the second round of the Dubai Olympics after losing the first set. Lucie afává, the eventual champion, was disqualified in the first round of the Doha tournament. Stosur reached the third round in Indian Wells, where she lost to Flavia Pennetta. Lisa Raymond and her partner in the doubles reached the semifinal before losing to Martina Hingis/Sania Mirza's team. Stosur returned to the Miami Open in the third round, defeating Venus Williams in the third round.

Stosur started her clay-court career by heading to Charleston, where she lost in the second round to Lara Arruabarrena. She was on the Premier Mandatory in Madrid, where she stunned the world No. 76 to become the world No. 1. In the first round, 12 Angelique Kerber was selected. Kaia Kanepi was then defeated in straight sets and then advanced to single sets. In a close match with eventual finalist Svetlana Kuznetsova, she eventually lost. Stosur came to the Italian Open for the second time, but Anastasia Pavlyuchenkova defeated him in the first round. Stosur was the third seed and was given a wildcard at the Internationaux de Strasbourg. She defeated defending champion Monica Puig in straight sets. Stosur was able to walk over Lesia Tsurenko and defeated fellow Australian Ajla Tomljanovi and Sloane Stephens to reach her first final of 2015. She faced Kristina Mladenovic of France in the final and came from a set down to win her seventh title on the WTA Tour, her first on red clay. Stosur was the 26th seed in the French Open at the time. In the third round, she defeated Madison Brengle and Amandine Hesse before losing to defending champion Maria Sharapova.

Stosur started her grass-court season at Eastbourne, where she was the 16th seed and therefore got a bye to the second round. In straight sets, she lost to Tsvetana Pironkova. Stosur then competed at Wimbledon, defeating Danka Kovini and Urszula Radwa to equal her best showing at Wimbledon. She lost in two sets to Vandeweghe in the third round. Daniela Hantuchová, the women's doubles partnering, also lost in the second round to Dellacqua/Shvedova.

Stosur was back in clay courts for the second time in the Swedish Open as the second seed. Lara Arruabarrena defeated her in the second round of the second round. Stosur then competed at the Gastein Ladies as the second seed, winning her second title of 2015. In the final, Stosur defeated Sevastova, Koukalová, Schmiedlová, and Karin Knapp.

Stosur continued her hard-court play in Washington, where she advanced to the semifinals after losing to eventual champion Sloane Stephens. At the Rogers Cup, Stosur then lost in the first round to Daria Gavrilova. Following this, she fell again in the first round, but this time to Tmea Babos at the Western & Southern Open. Stosur appeared at the US Open in 2012 and advanced to the fourth round at the US Open for the first time since 2012. In the first round, she retaliated on Tmea Babos, a girl from whom she had lost the previous week. Sara Errani, the 16th-seeded, backed up her victories over Evgeniya Rodina and 16th-seeded Sara Errani. Flavia Pennetta, the eventual champion, was then defeated.

Stosur started her 2016 season at the Brisbane International, where she defeated qualifier Jana epelová in the first round but lost her second-round match to sixth seed Carla Suárez Navarro. She then advanced to the quarterfinals in Sydney, defeating Roberta Vinci and Daniela Hantuchová, before falling to eventual champion Monica Puig. Kristna Plková won in straight sets after losing in the first round of the Australian Open to Kristina Plková.

In February, she secured both singles rubbers in World Group II, defeating epelová and Anna Schmiedlová, both in straight sets.

Stosur defeated Yanina Wickmayer and Christina McHale in the North American hardcourt swing, defeating him in three sets. She then lost to eventual champion Victoria Azarenka. Julia Görges lost in three sets in her first match in Miami to Julia Görges in three sets.

She began her clay-court career in Charleston, losing in straight sets to Sara Errani in the quarterfinals. Despite losing both rubbers in the World Group Play-offs in Brisbane to Christina McHale and CoCo Vandeweghe, Stosur was able to bounce back and reach the final in Prague, losing to Lucie afová. She was then able to carry this form into Madrid, where she reached the semifinals before losing to Simona Halep in just two games. She then won her first match against Alison Riske before losing in the second round to Kuznetsova. She then appeared in the Internationaux de Strasbourg, where she claimed her first two matches in straight sets before pulling out of her quarterfinal match against Caroline Garcia due to a wrist injury. Stosur defeated Misaki Doi and Zhang Shuai in her first two matches at the French Open. She then defeated 2015 finalist Lucie afává for a fifth time in Paris. Stosur came back from 5–3 down in the first set to beat world No. 1 in a rain-delayed match that spanned three days. 6, Simona Halep, 7–6, 6–3, for her first Grand Slam quarterfinal appearance since the US Open, as well as a venge she lost in Madrid. Stosur recovered from a defeat in both sets against Tsvetana Pironkova in the quarterfinals, winning by a narrow 6–6 victory. She debuted at world No. 6 in the next season. Garbie Muguruza, a four-year-old champion, advanced to the semifinals, but lost in straight sets. Despite losing, Stosur reached her first Grand Slam semifinals since the 2012 French Open, and she will debut in the top 15.

Stosur debuted her grass-court season at a start-up tournament for Wimbledon. In the second round, she lost to Caroline Wozniacki. She defeated Magda Linette in the first round at Wimbledon. In the second round, she was defeated by grass-court specialist Sabine Lisicki.

Stosur started her US Open Series campaign at the Washington Open as the top seed. Caroline Wozniacki retired in the second set due to a back injury, and she lost in straight sets to eventual champion Jessica Pegula. Heather Watson in the first round defeated Heather Watson in the first round before losing to Daria Kasatkina in the second round.

Stosur made it to the third round as the 13th seed in Rio, defeating Latvian teenager Jevich Doi and Japan's Misaki Doi and then falling out to second seed and eventual silver medalist Angelique Kerber of Germany. The pair, who were competing in the women's doubles with Daria Gavrilova, lost to the eventual silver medalist in the first round of the Swiss pairing Timea Bacsinszky and Martina Hingis. Stosur partnered up with John Peers and lost to the fourth seeds from India Sania Mirza and Rohan Bopanna in the first round in mixed-doubles.

Stosur received a first-round bye after being seeded 14th at the Western and Southern Open. She lost in two sets in her first match against Czech Barbora Strucová. Stosur was the 16th seed in the US Open at the start of the season before losing in straight sets to Zhang Shuai in the second round.

Stosur lost in the first round of the Wuhan Open to Caroline Wozniacki as the 16th seed in the Wuhan Open tournament. This was backed up by the China Open and the Hong Kong Open losing in straight sets to Zhang Shuai and Nao Hibino. Stosur lost both of her round-robin matches to top-seed Briton Johanna Konta and 11th seed Frenchwoman Caroline Garcia in straight sets, despite being named eighth seed in Zhuhai. Stosur was ranked No. 2 in the year's top-ranked No. 1st. Singles are 21 in singles.

Stosur began his season at the Brisbane International Airport with a loss to fourth-seed Garbie Muguruza in a three-set thriller. She then competed in straight sets over Anastasia Pavlyuchenkova at the Apia Sydney International Tennis Association, losing in straight sets to her opponent Anastasia Pavlyuchenkova. This was her eighth straight loss in five months since her triumph over Camila Giorgi at the 2016 US Open. In the first round of the Australian Open, she lost in three sets to Heather Watson. Stosur ended her five-month losing streak at the Taiwan Open, where she was the second seed. In straight sets, she defeated Danka Kovini to advance to a match against Slovenian qualifier Dalila Jakupovi and defeated her in three sets. In straight sets, Peng Shuai defeated her in the quarterfinals. Due to a lack of stamina, Stosur withdrew from Australia's Fed Cup match against Ukraine. She then competed at the Qatar Open, where she made the quarterfinals. For the first time, she defeated Latvian Anastasija Sevastova and eighth seed Barbora Strécová before losing in straight sets to Dominika Cibulková for the first time. Stosur was seeded 12th at the Dubai Championships. In the first round, she defeated qualifier Zhang Kailin in straight sets before losing in straight sets to Croatian teen Ana Konjuh in the second round.

She was the 16th seed in the Indian Wells Masters tournament, her next tournament. In a three-set thriller, she lost her first-round match against Julia Görges. Stosur bounced back to the Miami Open, where she was seeded 14th after a rough run. She advanced to the fourth round after defeating Ashleigh Barty in the second round and resurrecting her quarterfinal defeat at the Taiwan Open by defeating Peng Shuai in three sets before her run came to a three-set thriller. She received a first-round bye in the Charleston Open Tournament. She defeated Serbia as the world No. 1 in the women's cup of nations. Jelena Jankovi dominated in straight sets before losing in straight sets to Irina-Camelia Begu.

Stosur lost in the first round to Anastasija Sevastova in Stuttgart. She appeared in Prague as the fourth seed, and after defeating Evgeniya Rodina, she lost in the second round to qualifier Beatriz Haddad Maia. Stosur lost in the third round to fourth seed Simona Halep after beating Sara Sorribes Tormo and Mariana Duque Mario in Madrid. In the first round, then in Rome Stosur lost to Anastasia Pavlyuchenkova.

Stosur captured her ninth WTA title in Strasbourg, defeating fellow Australian Daria Gavrilova in the final. The two Australians' tense match lasted 2 hours and 45 minutes.

She then started her French Open campaign to try and defend her semifinalist positions from last year. She advanced to the second round after beating former world No. 11 Kristna Kuová in straight sets. Kirsten Flipkens, 13, qualified in straight sets to advance to the third round. She defeated Bethanie Mattek-Sands in straight sets but lost in the fourth round to eventual champion Jeena Ostapenko. This resulted in her losing her Australian women's No. 1. Daria Gavrilova is ranked 1 on the one-page rankings. Stosur also missed the grass-court season due to a stress fracture in her hand.

Despite having match point in the second set, Stosur lost in the first round to Monica Puig in the Australian Open. She also failed to defend her title at the Internationaux de Strasbourg, losing to Dominika Cibulková in the quarterfinals of the tournament.

Stosur lost in the third round to Garbi Muguruza in the French Open.

Stosur defeated Sevastova in the semifinals in Mallorca, where she lost to Sevastova. She fell in the second round to fellow Australian Daria Gavrilova at Wimbledon. Caroline Wozniacki, the second seed, was disqualified in round one of the US Open at the US Open.

At the Australian Open, Stosur met Zhang Shuai. They defeated eighth seeds Hsieh Su-wei and Abigail Spears in the second round, and they defeated top seeds Barbora Krejja and Kateina Siniaková in the quarterfinals. They advanced to the final, where they defeated second seeds and defending champions Kristina Mladenovic and T'mea Babos to win the title. This was Stosur's first Grand Slam title since the 2014 Wimbledon mixed doubles championship and her first in women's doubles since the 2006 French Open.

Stosur debuted her 2021 appearance at the Yarra Valley Classic in the first edition. Marie Bouzková, the sixteenth seed, was disqualified in the first round. She secured her first-round match over compatriot Destane Aiava at the Australian Open. Jessica Pegula's second round thrashing resulted in her second round thrashing. She and compatriot Matthew Ebden advanced to the final of Mixed Doubles, where they lost to Barbora Krejková/Rajeev Ram. She was disqualified in the first round by qualifier and compatriot Maddison Inglis, who was based in Adelaide.

Stosur won the 2021 Western & Southern Open doubles with Zhang Shuai in August 2021. It is Stosur's 27th doubles title and first since the Australian Open 2019. Zhang Shuai won the 2021 US Open final, defeating Coco Gauff/Caty McNally in the final.

After the 2022 Australian Open, in which she received a wildcard, Stosur revealed her future singles retirement. She reached the second round of the 2022 Australian Open, defeating eleventh-seeded Anastasia Pavlyuchenkova in the second round. This was announced as her retirement from competitive tennis in singles. She also competed in the Indian Wells Open and the Miami Open on both directions, with Shuai Zhang. In both tournaments, they failed in the first round. Stosur's last singles tournament, the 2022 Internationaux de Strasbourg, in which she lost in the first round to Harmony Tan, was a wildcard.

She reached the final of mixed doubles with Matthew Ebden in the 2022 Wimbledon Championships, but she lost to defending champions Desirae Krawczyk and Neal Skupski.

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